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Finding the Fourth Proportional to 314,544.71, 434,089.86 and 236,881.30

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Solution

The fourth proportional to 314,544.71, 434,089.86 and 236,881.30 is: 326,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,544.71 : 434,089.86 = 236,881.30 : x
  2. Step 2: Convert to fraction form
    314,544.71/434,089.86 = 236,881.30/x
  3. Step 3: Cross multiply
    314,544.71x = 434,089.86 × 236,881.30
  4. Step 4: Simplify right side
    314,544.71x = 102,827,770,353.62
  5. Step 5: Solve for x
    x = 102,827,770,353.62/314,544.71
  6. Step 6: Final answer
    x = 326,909.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.